Changing the way Connecticut uses data.

The Connecticut Data Collaborative is a public-private partnership that advocates for the public availability of open and accessible data to drive planning, policy, budgeting and decision making in Connecticut at the state, regional and local levels. We are a user-driven organization, serving nonprofits, advocates, policymakers, community groups, and funders in using data to drive policy and improve programs and services.

In addition to providing open access to structured and processed data, we can also work with you on to solve your custom data needs. Contact us for more information.

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Our data portal contains over 135 datasets that we have curated and processed into a machine-readable structure. Use our custom data-exploration tools to narrow your selection, or download raw data in bulk and explore data on your own. You can browse by topic, search by organization, or search by dataset.

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Migration and Population Trends in CT

In the fall of 2016, the Connecticut Data Collaborative hosted two CTData Forums focused on the topic of migration in Connecticut.  The discussions arose out of a desire to confirm or reject the prevailing narrative, as echoed through the media, of a 'mass exodus' from Connecticut.  

After the forums several attendees convened and determined that a deeper dive into the publicly available data was necessary in order to understand the overall trends in migration. This ...

Race and Ethnicity - Definitions and Measurement

In the past couple months, several users have asked for clarification on how data are reported on race and ethnicity. I also recently participated on a panel for the KidsCount release by the Connecticut Association of Human Services that focused on disaggregating data by race and ethnicity to better understand the inequities that exist among our residents.


On ctdata.org, we provide the data as collected by the original source. So for example, datasets that ...

Small Business Week: Benefit Corporations in CT

It is #SmallBusinessWeek!  To help celebrate those businesses and their contributions to the economy, CTData looked at the public business related data we have on our site that would be interesting to share. 

One of our projects this past year involved liberating the Secretary of State's Business registration data. Although the size of the businesses are not captured in the data, we decided that benefit corporations, a new business entity as of 2014 in ...

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